Hemoglobinopathies: Hemoglobin S Disorders (Online CE Course)
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Author: Lillian Mundt, EdD, CLS(NCA)SpH, MT(ASCP)SH
Donna Weaver
Sickle cells are some of the most readily identifiable abnormal red blood cells that may be encountered on a manual differential and observation of them will assist in the positive identification of a hemoglobin S disorder. However, they are not present in all hemoglobin S disorders, or may not be present in all stages of a disorder.
This course will update you on the laboratory testing that is currently being used to diagnose and differentiate between the various forms of hemoglobin S disorders. You will also learn about the clinical symptoms that are associated with each one.
The course concludes with several case studies that will provide you with the opportunity to apply what you learned in the course.
Continuing Education Credits
- P.A.C.E.® Contact Hours (acceptable for AMT, ACSP / NCA, and state recertification): 1.5 hour(s)
- Florida Board of Clinical Laboratory Science CE - General (Hematology): 1.5 hour(s)
Objectives
- Differentiate among structural abnormalities comprising the hemoglobinopathies.
- Describe sickle cell disorders.
- Explain the molecular basis for sickle cell hemoglobins.
- Describe the process of sickle cell formation.
- Identify contributors to the sickling process.
- List the clinical manifestations of the various forms of sickle cell disorders.
- Compare and contrast laboratory findings for sickle cell disorders.
- Differentiate among the various forms of sickle cell disorders.
- Describe therapies used in the treatment of Sickle Cell disorders.
- Interpret laboratory results for sickle cell hemoglobin case studies.
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Course Outline
- Defining Hemoglobinopathies
- Hemoglobinopathies
- Examples of Structural Abnormalities
- Hemoglobinopathies can be caused by all of the following structural defects EXCEPT:
- Defining Sickle Cell disorders
- Sickle Cell Disorders
- Genetics of Hemoglobin S
- Normal and HbS Beta Chain DNA Base Sequences
- To produce hemoglobin S, glutamic acid that is normally present in the sixth position on the beta globin chain is substituted with which of the follow...
- The Sickling Process
- Sickling Process Overview
- The Sickling Process
- The Sickling Process, Continued
- Normal Blood Flow
- Blood Flow During Sickling
- Vascular Occlusion
- Cellular Dehydration
- The first time a cell containing Hb SS is deoxygenated, it forms an irreversibly sickled cell.
- Clinical Manifestations of Sickle Cell Disorders
- Clinical Manifestations
- Vaso-occlusive Crisis
- Vaso-occlusive Crisis, Continued
- Sequestration Crisis
- Hemolytic Crisis
- Aplastic Crisis
- In HbSS blood, an increased amount of which of the following surface antigens on young sickle cells (reticulocytes) may allow platelets to form a brid...
- Which of these blood levels will increase during hemolysis?
- Complications
- Risk Factors
- Which of these could cause a sickling event?
- Sickle Cell Disorder Frequencies
- Hb SS and Hb SA
- HbS with Other Hemoglobins
- HbS / Thalassemia
- Hb S with Hereditary Persistence of Fetal Hemoglobin
- Therapies for the Treatment of Sickle Cell Disorders
- Treatment for Sickle Cell Anemia
- Supportive Care
- Pain Management
- Pharmacotherapy
- Non-pharmacotherapy
- Blood Tranfusions
- Molecular Therapy
- Investigative Therapies
- RBC Dehydration Prevention
- Natural HbF Inducers
- Transplantation and Gene Therapy
- Which of the following is an FDA-approved therapeutic agent for treating sickle cell patients?
- Laboratory Findings in Sickle Cell Disorders
- Laboratory Diagnosis
- Comparison of Laboratory Results Among Hemoglobin S Disorders
- Solubility Test
- Solubility Test
- Solubility Test Errors
- Hemoglobin Electrophoresis
- Hemoglobin Electrophoresis Theory
- Migration of Hemoglobin in Alkaline Electrophoresis
- Migration of Hemoglobin in Acid Electrophoresis
- Normal Hemoglobin Electrophoresis (alkaline)
- Normal Hemoglobin Electrophoresis Densitometer Tracing
- Densitometer Tracing of Various Hemoglobins
- Hemoglobin Electrophoresis Patterns in Sickle Cell Disorders (Alkaline)
- Hemoglobin electrophoresis patterns in Sickle Cell Disorders (acid)
- The gel electrophoresis pattern for hemoglobin S shows which of the following migration patterns?
- Red Blood Cell Morphologies in Sickle Cell Anemias
- RBC Morphology in Sickle Cell Trait (HbSA)
- RBC Morphology in Sickle Cell Disease (HbSS)
- RBC morphology in Sickle Cell Anemia variant (HbSC)
- What is the characteristic RBC that is uniquely associated with HbSS?
- Case Studies
- Sickle Cell Trait
- CBC results and RBC morphology
- Hemoglobin Electrophoresis
- Sickle Cell Disease
- CBC and RBC morphology
- Hemoglobin Electrophoresis
- Hemoglobin SC Disease
- CBC and RBC morphology
- Hemoglobin Electrophoresis
- HbS / Beta thalassemia
- CBC and RBC morphology
- Hemoglobin Electrophoresis
- HbS with Hereditary Persistance of Fetal Hemoglobin (HPFH)
- CBC and RBC morphology
- Hemoglobin Electrophoresis
- References
Additional Information
Level of instruction: Intermediate
Intended Audience: Clinical laboratory technologists and technicians, and other health care personnel who have an interest in this subject matter. This course is also appropriate for clinical laboratory science students and pathology residents. Author Information: Lillian Mundt, EdD, CLS(NCA)SpH, MT(ASCP)SH is an Associate Professor and Acting Department Chair in the Department of Clinical Laboratory Sciences at Rosalind Franklin University. She is responsible for various courses in the graduate programs as well as departmental administration. She received her Bachelor of Arts degree in Medical Technology from Aurora College, Aurora, Illinois Her graduate work was completed at Governor's State University, University Park, Illinois, from which she received her Master of Health Science in Allied Health Professions Education; her doctorate in Educational Leadership was earned in 2007 from the University of Phoenix.
Her work experience includes a position as a medical technologist in hematology for 30 plus years at Hinsdale Hospital, Department of Pathology, where she still works on an as-needed basis. Lillian also taught at Hinsdale Hospital School of Medical Technology from 1989 until it closed in 1994.
Reviewer Information: Donna Weaver is a hematology specialist Course Description: This course defines and discusses in depth Hemoglobin S and its related disorders,
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